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Effects of different heat treatments on the dynamic shear response and shear localization in Inconel 718 alloy
Song WD; Hu ML; Zhang HS(张虎生); Jin YX
发表期刊MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
2018-05-16
卷号725页码:76-87
ISSN0921-5093
摘要The effects of different heat treatments on the dynamic shear response and the adiabatic shear localization characteristic of Inconel 718 alloy (Inconel 718) are studied by the flat hat-shaped sample subjected to the Split Hopkinson Pressure Bar (SHPB) loading. The microstructures of the concentrated shear zone are examined by optical microscopy (OM), scanning electron microscopy (SEM), electron backscattered diffraction (EBSD), and Vickers micro-hardness tests, respectively. The results indicate that the aged Inconel 718 with higher yield strength and lower strain hardening rate is easier to form an adiabatic shear band (ASB) than that of the solution treated Inconel 718 under dynamic shear loadings. Meanwhile, it has been found that the d phase plays an important role in inhibiting the shear localization of the solution treated Inconel 718. Little plastic deformation occurs in the region adjacent to the ASB in the aged Inconel 718, whereas significant plastic deformation occurs in a certain width area around the ASB in the solution treated Inconel 718.
关键词Inconel 718 Dynamic Response Adiabatic Shear Band Microstructure
DOI10.1016/j.msea.2018.04.010
收录类别SCI ; EI
语种英语
WOS记录号WOS:000432767400010
关键词[WOS]WIDE TEMPERATURE-RANGE ; STRAIN-RATE ; DEFORMATION-BEHAVIOR ; HOT DEFORMATION ; MICROSTRUCTURAL EVOLUTION ; SUPERALLOY IN718 ; FLOW BEHAVIOR ; STEEL ; RECRYSTALLIZATION ; LOADS
WOS研究方向Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
项目资助者National Natural Science Foundation of China(11672043 ; National Key R&D Program of China(2016YFC0801200) ; Opening Project of State Key Laboratory of Traction Power(TPL1701) ; project of Science and Technology on Transient Impact Laboratory(614260601010617) ; (6140922020116BQ01002) ; (SAST2017-029) ; 11521062)
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力学所作者排名3
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文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77501
专题非线性力学国家重点实验室
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Song WD,Hu ML,Zhang HS,et al. Effects of different heat treatments on the dynamic shear response and shear localization in Inconel 718 alloy[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2018,725:76-87.
APA Song WD,Hu ML,张虎生,&Jin YX.(2018).Effects of different heat treatments on the dynamic shear response and shear localization in Inconel 718 alloy.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,725,76-87.
MLA Song WD,et al."Effects of different heat treatments on the dynamic shear response and shear localization in Inconel 718 alloy".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 725(2018):76-87.
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